/* 网站统一样式 */
html{
    font-size: 14px;
    color: #333;
}


body {
    font: 14px normal #565656 '微软雅黑';
    min-width: 1200px;
}

/* 去掉下划线 */
a{
    text-decoration: none;
    color: #565656;
}

/* 图片依据父容器等比例缩放 */
img{
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
}

/* 取消默认盒子定义 */
ul{
    margin: 0;
    padding: 0;
}

/* 去除默认样式（前面的圆点） */
li{
    list-style-type: none;
}

header,
nav,
footer
{
    width: 100%;
    margin: 0 auto;
}

main{
    width: 1100px;
    margin: 0 auto;
}




/* 页面头部 */
.top{
    width: 100%;
    height: 143px;
    background-image: url(../imag/topbg.jpg);
}

.top_logo_search{
    width: 1100px;
    height: 93px;
    margin: 0 auto;
    position: relative;
}

.top_logo_search img[title="材料科学与工程学院"]{
    height: 60px;
    margin-top: 12px;
}

.search{
    position: absolute;
    top: 27px;
    right: 0;
    width: 180px;
    height: 26px;
    padding: 0 0 0 100px;
}

.search_input{
    position: absolute;
    top: 2px;
    left: 124px;
    width: 110px;
    height: 22px;
    border: none;
    background: none;
    line-height: 22px;
    color: #fff;
    font-size: 12px;
    font-family: "宋体";
}

input::placeholder{
    color: #fff;
}

.search_button{
    position: absolute;
    top: 3px;
    right: 10px;
    width: 20px;
    height: 20px;
    cursor: pointer;
}


/* 页面导航 */

.flex_box{
    position: absolute;
    top:93px;
    width: 100%;
    height: 50px;
    margin: 0 auto;
    border-top: 1px solid #b2e3ff;
    justify-content: center;
    display: flex;
    z-index: 9999;
}

.flex_box a:hover{
    background-color: #147fca;
}

.flex_box>li{
    width: 144px;
    text-align: center;
}

.flex_box a{
    display: block;
    font-size: 15px;
    line-height: 50px;
    color: #fff;
}


.in_li{
    overflow: hidden;
}


.in_li ul{
    width: 100%;
    border-top: 8px solid #fff;
    background: #fff;
}

.in_li li{
    text-align: center;
    height: 34px;
    padding: 0px 6px 8px 6px;

}

.in_li li>a{
    width: 132px;
    height: 34px;
    font-size: 12px;
    line-height: 34px;
    background-color: #348bcc;
}

.in_li:hover {
    overflow: inherit;
}

/* 主体内容 */
main{
    width: 1100px;
    display: flex;
    flex-wrap: wrap;
}

.content{
    width: 1100px;
    display: flex;
    flex-wrap: wrap;
}

.left_content{
    width: 240px;
    height: 473px;
    background: #ededed;;
}
.content_title{
    width: 240px;
    height: 90px;
    line-height: 90px;
    background: #59B4EC;
    color: #fff;
}

.content_list{
    padding: 15px 0 0 10px;
}

.content_list li{
    width: 230px;
    height: 46px;
    line-height: 46px;
    margin-bottom: 10px;
}

.content_list a{
    display: block;
    width: 210px;
    height: 46px;
    line-height: 46px;
    padding-left: 20px;
}

.content_list a:hover{
    color: #fff;
    background: #59B4EC;
}



.right_content{
    width: 830px;
   margin-left: 30px;
}

.content_top{
    width: 830px;
    height: 60px;
    border-bottom: 0.8px solid #cecece;
    position: relative;
}

.sgj{
    display: inline-block;
    position: absolute;
    height: 60px;
    line-height: 60px;
    right: 0;
}

.sgj a{
    font-size: 12px;
    font-family: '宋体';
    padding: 0 6px;
}

.sgj a:hover{
    color: #8751c9;
}

.right_content p{
    line-height: 180%;
    font-size: 14pt;
    text-indent: 2em;
}




/* 页面底部 */
footer{
    background: #59b4ec;
    color: #fff;
    width: 100%;
    height: 109px;
    margin-top: 20px;

}

.content_footer{
    width: 1100px;
    height: 109px;
    margin: 0 auto;
    display: flex;
}

address{
    display: flex;
    width: 872px;
    height: 40px;
    flex-wrap: wrap;
    font-style: normal;
}


address h2{
    width: 100%;
    margin-top: 20px;
    font-size: 16px;
}

address ul{
    display: flex;
    width: 684px;
    flex-wrap: wrap;
    margin-top: 6px;
}

address ul>li{
    margin-bottom: 5px;
}

address ul>li>a{
    padding-right: 12px;
    flex-wrap: nowrap;
    font-size: 14px;
    color: #fff;
}

.content_footer>ul{
    margin-top: 20px;
    width: 228px;
    height: 89px;
    display: flex;
    flex-wrap: wrap;
    font-size: 12px;
}